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spl: Add EXT support to SPL

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Add EXT filesystem support to SPL.

Signed-off-by: Guillaume GARDET <guillaume.gardet@free.fr>
[trini: Fix a warning and checkpatch problems]
Signed-off-by: Tom Rini <trini@ti.com>
This commit is contained in:
Guillaume GARDET 2014-10-15 17:53:12 +02:00 committed by Tom Rini
parent 205b4f33cf
commit 592f922261
5 changed files with 161 additions and 2 deletions
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1
common/spl/Makefile
View File

@ -18,5 +18,6 @@ obj-$(CONFIG_SPL_NET_SUPPORT) += spl_net.o
obj-$(CONFIG_SPL_MMC_SUPPORT) += spl_mmc.o
obj-$(CONFIG_SPL_USB_SUPPORT) += spl_usb.o
obj-$(CONFIG_SPL_FAT_SUPPORT) += spl_fat.o
obj-$(CONFIG_SPL_EXT_SUPPORT) += spl_ext.o
obj-$(CONFIG_SPL_SATA_SUPPORT) += spl_sata.o
endif

139
common/spl/spl_ext.c Normal file
View File

@ -0,0 +1,139 @@
/*
* SPDX-License-Identifier: GPL-2.0+
*/
#include <common.h>
#include <spl.h>
#include <asm/u-boot.h>
#include <ext4fs.h>
#include <image.h>
#ifdef CONFIG_SPL_EXT_SUPPORT
int spl_load_image_ext(block_dev_desc_t *block_dev,
int partition,
const char *filename)
{
s32 err;
struct image_header *header;
int filelen;
disk_partition_t part_info = {};
header = (struct image_header *)(CONFIG_SYS_TEXT_BASE -
sizeof(struct image_header));
if (get_partition_info(block_dev,
partition, &part_info)) {
printf("spl: no partition table found\n");
return -1;
}
ext4fs_set_blk_dev(block_dev, &part_info);
err = ext4fs_mount(0);
if (!err) {
#ifdef CONFIG_SPL_LIBCOMMON_SUPPORT
printf("%s: ext4fs mount err - %d\n", __func__, err);
#endif
goto end;
}
filelen = err = ext4fs_open(filename);
if (err < 0) {
puts("spl: ext4fs_open failed\n");
goto end;
}
err = ext4fs_read((char *)header, sizeof(struct image_header));
if (err <= 0) {
puts("spl: ext4fs_read failed\n");
goto end;
}
spl_parse_image_header(header);
err = ext4fs_read((char *)spl_image.load_addr, filelen);
end:
#ifdef CONFIG_SPL_LIBCOMMON_SUPPORT
if (err <= 0)
printf("%s: error reading image %s, err - %d\n",
__func__, filename, err);
#endif
return err <= 0;
}
#ifdef CONFIG_SPL_OS_BOOT
int spl_load_image_ext_os(block_dev_desc_t *block_dev, int partition)
{
int err;
int filelen;
disk_partition_t part_info = {};
__maybe_unused char *file;
if (get_partition_info(block_dev,
partition, &part_info)) {
printf("spl: no partition table found\n");
return -1;
}
ext4fs_set_blk_dev(block_dev, &part_info);
err = ext4fs_mount(0);
if (!err) {
#ifdef CONFIG_SPL_LIBCOMMON_SUPPORT
printf("%s: ext4fs mount err - %d\n", __func__, err);
#endif
return -1;
}
#if defined(CONFIG_SPL_ENV_SUPPORT) && defined(CONFIG_SPL_OS_BOOT)
file = getenv("falcon_args_file");
if (file) {
filelen = err = ext4fs_open(file);
if (err < 0) {
puts("spl: ext4fs_open failed\n");
goto defaults;
}
err = ext4fs_read((void *)CONFIG_SYS_SPL_ARGS_ADDR, filelen);
if (err <= 0) {
printf("spl: error reading image %s, err - %d, falling back to default\n",
file, err);
goto defaults;
}
file = getenv("falcon_image_file");
if (file) {
err = spl_load_image_ext(block_dev, partition, file);
if (err != 0) {
puts("spl: falling back to default\n");
goto defaults;
}
return 0;
} else {
puts("spl: falcon_image_file not set in environment, falling back to default\n");
}
} else {
puts("spl: falcon_args_file not set in environment, falling back to default\n");
}
defaults:
#endif
filelen = err = ext4fs_open(CONFIG_SPL_FS_LOAD_ARGS_NAME);
if (err < 0)
puts("spl: ext4fs_open failed\n");
err = ext4fs_read((void *)CONFIG_SYS_SPL_ARGS_ADDR, filelen);
if (err <= 0) {
#ifdef CONFIG_SPL_LIBCOMMON_SUPPORT
printf("%s: error reading image %s, err - %d\n",
__func__, CONFIG_SPL_FS_LOAD_ARGS_NAME, err);
#endif
return -1;
}
return spl_load_image_ext(block_dev, partition,
CONFIG_SPL_FS_LOAD_KERNEL_NAME);
}
#endif
#endif

18
common/spl/spl_mmc.c
View File

@ -100,9 +100,10 @@ void spl_mmc_load_image(void)
#endif
err = mmc_load_image_raw(mmc,
CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_SECTOR);
#ifdef CONFIG_SPL_FAT_SUPPORT
#if defined(CONFIG_SPL_FAT_SUPPORT) || defined(CONFIG_SPL_EXT_SUPPORT)
} else if (boot_mode == MMCSD_MODE_FS) {
debug("boot mode - FAT\n");
debug("boot mode - FS\n");
#ifdef CONFIG_SPL_FAT_SUPPORT
#ifdef CONFIG_SPL_OS_BOOT
if (spl_start_uboot() || spl_load_image_fat_os(&mmc->block_dev,
CONFIG_SYS_MMC_SD_FS_BOOT_PARTITION))
@ -110,7 +111,20 @@ void spl_mmc_load_image(void)
err = spl_load_image_fat(&mmc->block_dev,
CONFIG_SYS_MMC_SD_FS_BOOT_PARTITION,
CONFIG_SPL_FS_LOAD_PAYLOAD_NAME);
if(err)
#endif /* CONFIG_SPL_FAT_SUPPORT */
{
#ifdef CONFIG_SPL_EXT_SUPPORT
#ifdef CONFIG_SPL_OS_BOOT
if (spl_start_uboot() || spl_load_image_ext_os(&mmc->block_dev,
CONFIG_SYS_MMC_SD_FS_BOOT_PARTITION))
#endif
err = spl_load_image_ext(&mmc->block_dev,
CONFIG_SYS_MMC_SD_FS_BOOT_PARTITION,
CONFIG_SPL_FS_LOAD_PAYLOAD_NAME);
#endif /* CONFIG_SPL_EXT_SUPPORT */
}
#endif /* defined(CONFIG_SPL_FAT_SUPPORT) || defined(CONFIG_SPL_EXT_SUPPORT) */
#ifdef CONFIG_SUPPORT_EMMC_BOOT
} else if (boot_mode == MMCSD_MODE_EMMCBOOT) {
/*

1
fs/Makefile
View File

@ -8,6 +8,7 @@
ifdef CONFIG_SPL_BUILD
obj-$(CONFIG_SPL_FAT_SUPPORT) += fat/
obj-$(CONFIG_SPL_EXT_SUPPORT) += ext4/
else
obj-y += fs.o

4
include/spl.h
View File

@ -74,6 +74,10 @@ int spl_load_image_fat_os(block_dev_desc_t *block_dev, int partition);
void __noreturn jump_to_image_no_args(struct spl_image_info *spl_image);
/* SPL EXT image functions */
int spl_load_image_ext(block_dev_desc_t *block_dev, int partition, const char *filename);
int spl_load_image_ext_os(block_dev_desc_t *block_dev, int partition);
#ifdef CONFIG_SPL_BOARD_INIT
void spl_board_init(void);
#endif